<?php
/**
 * 生成mysql数据字典
 */
header("Content-type: text/html; charset=utf-8");
//配置数据库
if ($_SERVER['SERVER_NAME'] == 'tsdb.qitaijk.cn') {
    $dbserver   = "127.0.0.1";
    $dbusername = "root";
    $dbpassword = "RightCare@2017";
    $database   = "open_db";

} else {
    $dbserver   = "127.0.0.1";
    $dbusername = "root";
    $dbpassword = "root";
    $database   = "open_db";
}
//其他配置
$title = '数据字典';
$mysql_conn = mysqli_connect("$dbserver", "$dbusername", "$dbpassword") or die("Mysql connect is error.");
mysqli_select_db($mysql_conn, $database);
mysqli_query($mysql_conn, 'SET NAMES utf8');
$table_result = mysqli_query($mysql_conn, 'show tables');
//取得所有的表名
while ($row = mysqli_fetch_array($table_result)) {
    $tables[]['TABLE_NAME'] = $row[0];
}
//循环取得所有表的备注及表中列消息
foreach ($tables as $k => $v) {
    $sql          = 'SELECT * FROM ';
    $sql          .= 'INFORMATION_SCHEMA.TABLES ';
    $sql          .= 'WHERE ';
    $sql          .= "table_name = '{$v['TABLE_NAME']}'  AND table_schema = '{$database}'";
    $table_result = mysqli_query($mysql_conn, $sql);
    while ($t = mysqli_fetch_array($table_result)) {
        $tables[$k]['TABLE_COMMENT'] = $t['TABLE_COMMENT'];
    }
    $sql          = 'SELECT * FROM ';
    $sql          .= 'INFORMATION_SCHEMA.COLUMNS ';
    $sql          .= 'WHERE ';
    $sql          .= "table_name = '{$v['TABLE_NAME']}' AND table_schema = '{$database}'";
    $fields       = array();
    $field_result = mysqli_query($mysql_conn, $sql);
    while ($t = mysqli_fetch_array($field_result)) {
        $fields[] = $t;
    }
    $tables[$k]['COLUMN'] = $fields;
}
$html = '';
//循环所有表
foreach ($tables as $k => $v) {
    //$html .= '<p><h2>'. $v['TABLE_COMMENT'] . ' </h2>';
    $html .= '<table  border="1" cellspacing="0" cellpadding="0" align="center">';
    $html .= '<caption>' . $v['TABLE_NAME'] . '  ' . $v['TABLE_COMMENT'] . '</caption>';
    $html .= '<tbody><tr><th>字段名</th><th>数据类型</th><th>默认值</th>
        <th>允许非空</th>
        <th>自动递增</th><th>备注</th></tr>';
    $html .= '';
    foreach ($v['COLUMN'] as $f) {
        $html .= '<tr><td class="c1">' . $f['COLUMN_NAME'] . '</td>';
        $html .= '<td class="c2">' . $f['COLUMN_TYPE'] . '</td>';
        $html .= '<td class="c3"> ' . $f['COLUMN_DEFAULT'] . '</td>';
        $html .= '<td class="c4"> ' . $f['IS_NULLABLE'] . '</td>';
        $html .= '<td class="c5">' . ($f['EXTRA'] == 'auto_increment' ? '是' : ' ') . '</td>';
        $html .= '<td class="c6"> ' . $f['COLUMN_COMMENT'] . '</td>';
        $html .= '</tr>';
    }
    $html .= '</tbody></table></p>';
}
//输出
echo '<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>' . $title . '</title>
<style>
body,td,th {font-family:"微软雅黑"; font-size:12px;}
table{border-collapse:collapse;border:1px solid #CCC;background:#6089D4;}
table caption{text-align:left; background-color:#fff; line-height:2em; font-size:14px; font-weight:bold; }
table th{text-align:left; font-weight:bold;height:26px; line-height:25px; font-size:16px; border:3px solid #fff; color:#ffffff; padding:5px;}
table td{height:25px; font-size:12px; border:3px solid #fff; background-color:#f0f0f0; padding:5px;}

.c1{ width: 150px;}
.c2{ width: 130px;}
.c3{ width: 70px;}
.c4{ width: 80px;}
.c5{ width: 80px;}
.c6{ width: 300px;}
</style>
</head>
<body>';
echo '<h1 style="text-align:center;">' . $title . '</h1>';
echo $html;
echo '</body></html>';
